Isopropylidenediphenol-based polyether polyols, processes for their production, and foams produced therefrom

Isopropylidenediphenol-based polyether polyols, processes for their production, foams produced using such isopropylidenediphenol-based polyether polyols, such as PUR-PIR rigid foams, as well as to processes for producing such foams. The polyether polyols have an internal block comprising polymerized...

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Hauptverfasser: Rexrode, Eric M, Loveday, Anthony R, Lewis, Sharlene A
Format: Patent
Sprache:eng
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Zusammenfassung:Isopropylidenediphenol-based polyether polyols, processes for their production, foams produced using such isopropylidenediphenol-based polyether polyols, such as PUR-PIR rigid foams, as well as to processes for producing such foams. The polyether polyols have an internal block comprising polymerized ethylene oxide moieties and an external cap comprising polymerized propylene oxide moieties.